v2.3.0-2-DGW-L302-304-normal-idc-v30-squashfs-sysupgrade-2a2e8c72.bin *Added BSP support for DTU-302/304 *Added BSP support for DGW-3001/3002/3004 *Added OIAD firmware support for DTU-302/304 *Added OIAD firmware support for DGW-300x series *Added Turkish language option to OIAD firmware *Fixed DTMF transmission issue on MAG1000 *Fixed system hang when unloading the DAHDI driver on DGW-L304 *Fixed outgoing call failure on channel 1 of each E1 during R2 group calling *Resolved OOM-killer trigger issue on ASI platform *Fixed missing audio recording on T1 RX direction for DGW-L304 *Fixed issue where DGW-300x failed to retain Failover Bypass state after reboot or power loss *Fixed missing help information for Failover mode on DGW-300x *Fixed issue where Bypass state was not preserved in Manual Bypass Off mode after reboot, firmware upgrade, or power loss *Fixed failure to switch to Bypass mode during DGW-300x firmware upgrade *Simplified DNSSRV configuration UI and underlying logic *Added Tel-to-Tel direct calling feature v2.3.0-DGW-L302-304-normal-idc-v30-squashfs-sysupgrade-62472637.bin * Fixed RED Alarm issue when DTU-301 connects to T1/E1 lines * Fixed incorrect time issue on HB1981 Analog and E1 modules * Fixed issue where all E1/T1 gateways defaulted to HardHDLC mode * Fixed system memory shortage when SS7 signaling is configured on digital gateway ports * Fixed issue where TR-069 web default refresh rate was too fast, preventing normal editing * Fixed issue where VOIP logging did not take effect in certain scenarios when SIP or PRI signaling was enabled * Fixed system hang issue when uninstalling DAHDI driver on DGW-L304 * Upgraded check_input2 for the ICVP project * Improved compatibility by returning 200 OK for all qualify options from the server * Improved log management system * Improved SRV record descriptions * Improved trunk creation behavior in single-port mode * Improved firmware binaries for L304/L302 * General usability improvements across multiple interfaces * Enhanced page annotations and adjusted API parameter descriptions for identify_prefix in trunk configuration * Optimized display of login page for OEM styles blue_right and blue_center * Default call status set to “All” when enabling CDR * Optimized interaction between SIP compatibility mode and authentication prefix parameters * Added hardware code field in firmware information section on the system information page * Added basic STUN functionality * Added port status monitoring for DGW digital gateways * Added local time synchronization feature * Added R2 log collection feature in log management * Added support for setting default IP by slot number in DTU-301 module OIAD firmware * Added user-friendly prompts for network management access options * Added support for channel-based grouping in Digital R2 routing v2.2.9-4-DGW-L302-304-normal-idc-v30-squashfs-sysupgrade-74077736.bin * Fixed RED Alarm issue on DTU-301 when connecting to T1/E1 lines * Fixed time issue on HB1981 Analog and E1 modules * Fixed memory shortage issue when setting SS7 signaling on digital gateway device ports * Fixed TR069 web default configuration refresh issue, preventing normal editing * Fixed DTMF sending issue on MAG1000 for Hong Kong customer * Fixed SIP protocol and PRI signaling not working in certain scenarios in log management * Fixed issue with single-port trunk in single port mode * Improved routing by Channel grouping for Digital R2 * Improved log management system * Improved firmware binary files for L304/302 * Improved UI usability with various interface enhancements * Implemented full compatibility for OIAD server-side to return 200 on qualify option * Upgraded `check_input2` for ICVP project * Enhanced trunk configuration page comments and adjusted interface parameter descriptions * Optimized login page display for OEM styles `blue_right` and `blue_center` * Optimized SRV record description * Optimized interaction between SIP compatibility mode and authentication prefix parameters * Supported setting default IP by slot number for DTU-301 module's OIAD firmware * Set CDR default call status to "All" on enable * Added DGW (Digital Gateway) port status functionality * Added local time synchronization feature * Added friendly prompt information for network management access options v2.2.8-DGW-L302-304-normal-idc-v30-squashfs-sysupgrade-5ba9490e.bin *Added offline escape functionality *Added TUP support for DGW *Added login-free functionality for DGW digital gateway *Added password format hints on the password change interface *Adapted DGW-2001 *Adapted DGW-L302 *Adapted DTU-301 hardware for OIAD firmware *Fixed CDR query issue for ETU digital gateway *Fixed audio stuttering in ODG T1 mode *Fixed SS7 channel recording issue where there was no audio in both directions *Fixed the problem the issue where Certificate 2 became invalid after being filled and saved in ODG Security Settings *Fixed inaccurate English terminology on the E1 card interface *Fixed constant error 22 reports with the new E1 firmware *Fixed abnormal E1 light blinking on the digital gateway *Fixed DGW digital gateway PRI signaling dchannel selection issue causing connection failure *Fixed SIP registration rejection issue caused by some servers treating registrations with different line parameters as new *Fixed English translation errors in the digital gateway interface *Fixed the issue where clicking 'disable' failed to save after enabling OpenVPN *Fixed abnormal dependency relationships and naming in the ovapp/ software packages *Optimized the legend and English description on the Digital Trunk port status page *Optimized gain performance for various signaling types *Optimized the call route configuration editing function in the DGW digital gateway template *Optimized the description for modifying the Line Region value for both digital and analog lines *Optimized translations for three areas in non-English languages *Optimized registration status display for the digital gateway *Enabled the icvp-emt plugin package to support updating OEM model2